Scott Allen Kleeschulte disappeared June 8, 1988 from St. Charles, Mo. He was last seen around 4:30 p.m. walking down Ken Drive toward West Adams before a thunderstorm. When he disappeared at the age of 11, he stood 4'4" tall, weighed 60 pounds, and had brown hair and blue eyes. He has freckles on his nose, three moles on his face, and a small scar on his chin. Family photo

This image shows what Scott Allen Kleeschulte may have looked like at the age of 32. He would be 34 now. If you have information about his disappearance, call 1-800-843-5678 (1-800-THE-LOST). National Center for Missing and Exploited Children

Charles Arlin Henderson disappeared July 25, 1991 while riding his bicycle in Moscow Mills, Mo. When he went missing at the age of 11 he stood 4'5" tall, weighed 75 pounds, and had blonde hair and blue eyes. He was last seen wearing a camouflage t-shirt, camouflage pants, gray socks, and black tennis shoes. He was last known to have a crew cut and goes by his middle name, Arlin. He is considered "at risk" because he is missing under suspicious circumstances. Family photo

This image shows what Arlin Henderson might look like at the age of 33. If you have information about his disappearance, call 1-800-843-5678 (1-800-THE-LOST). National Center for Missing and Exploited Children

Gina Dawn Brooks was last seen riding her bicycle around 10 p.m. Aug. 5, 1989 in Fredericktown, Mo. The bike was later found on High Street and a light blue, gray, or green station wagon was seen at the same time a witness heard a scream in the neighborhood and the sound of a car driving off. Gina was 13 when she disappeared, standing 5'0" tall, weighing, 108 pounds, with blonde hair and green eyes. She has small white scars on her left shin. Family photo

This image shows what Gina Dawn Brooks may have looked like at the age of 33. She would now be 37. If you have information about her disappearance, call 1-800-843-5678 (1-800-THE-LOST). National Center for Missing and Exploited Children

Donna Jean Mezo was last seen Feb. 18, 1992 at the age of 16. She was last seen around 1:30 a.m. walking to a restaurant on East Monroe Street in Belleville, Ill. She has a scar on her nose, a birthmark on her right ear, and tattoos on her right ankle and right wrist. She stands 5'7" tall, and at the time of her disappearance weighed 125 pounds and had brown hair and blue eyes. She has asthma and was last seen wearing a blue denim jacket and skirt. Family photo

This image shows what Donna Mezo may have looked like at the age of 36. She would now be 38. If you have information about her disappearance, call 1-800-843-5678 (1-800-THE-LOST). National Center for Missing and Exploited Children

Heather Nicole Kullorn disappeared while babysitting at a friend's apartment July 15, 1999. She was 12-years-old and stood 4'11" tall, weighed 75 pounds, and had light brown hair and hazel eyes. She has a birthmark on her inner right thigh, and numerous ear piercings. She has mild diabetes. Family photo

This image shows what Heather Kullorn may have looked like at the age of 25. She would now be 26. If you have information about her disappearance, call 1-800-843-5678 (1-800-THE-LOST). National Center for Missing and Exploited Children

Joshua Jerome Mahaffey was last seen at his home Oct. 12, 1991 in Centralia, Ill. at the age of 15. When he disappeared he stood 5'2" tall, weighed 120 pounds, and had brown hair and brown eyes. His two front teeth are capped; one of them is discolored. He goes by "Josh." Foul play is suspected in his disappearance. Family photo

This image shows what Joshua Jerome Mahaffey may have looked like at the age of 34. He would now be 37. If you have information about his disappearance, call 1-800-843-5678 (1-800-THE-LOST). National Center for Missing and Exploited Children

Bianca Noel Piper has been missing since March 10, 2005. She left her home at 6:15 p.m. that day to go for a walk and was last seen on McIntosh Hill Road in Foley, Mo. She has scars on her arms and legs, a scar on her abdomen, and pierced ears. The 13-year-old was last seen wearing blue jeans, a gray Adidas sweatshirt, and white sneakers. Family photo

This image shows what Bianca Piper may have looked like at the age of 18. She would now be 21. If you have information about her disappearance, call 1-800-843-5678 (1-800-THE-LOST). National Center for Missing and Exploited Children

Christian Ferguson was in a relative's vehicle when it was stolen around 6:30 a.m. June 11, 2003. The vehicle was recovered but there was no sign of Christian. When he disappeared at the age of 9 he stood 4'0" tall and weighed 75 pounds with black hair and brown eyes. He has a medical condition that requires daily medication that was not with him. When he went missing he was wearing only a diaper and was wrapped in a blanket. Family photo

This image shows what Christian Ferguson may have looked like at the age of 17. He would now be 20. If you have information about his disappearance, call 1-800-843-5678 (1-800-THE-LOST). National Center for Missing and Exploited Children

Cherie Barnes disappeared from St. Louis Jan. 7, 1987 at the have of 2 1/2. At the time of her disappearance she stood 4' 0" tall and weighed 80 pounds. She was last known to be with her mother, who was eventually found deceased. She is biracial. Family photo

This image shows what Cherie Barnes may have looked like at the age of 26. She would be 29-years-old now. If you have information about her disappearance, call 1-800-843-5678 (1-800-THE-LOST). National Center for Missing and Exploited Children

Christian Miguel Sanchez was 2-years-old when he disappeared from Perryville, Mo. with his sister, Veronica Nichole Sanchez. They were allegedly taken by their father, Miguel Sanchez July 8, 2007, and a felony warrant is out for his arrest. They may be in Mexico. Miguel Sanchez has a tattoo of a sun on his upper right arm and a scar under the tattoo. Miguel Sanchez may go by the last name of Sanchez Carmona or Carmona Sanchez. The larger image shows what Christian may look like at the age of 5. If you have information about his disappearance, call 1-800-843-5678 (1-800-THE-LOST). Family photo/National Center for Missing and Exploited Children

Veronica Nichole Sanchez was last seen with her 2-year-old brother, Christian Miguel Sanchez. They were allegedly taken by their father, Miguel Sanchez July 8, 2007, and a felony warrant is out for his arrest. They may be in Mexico. Miguel Sanchez has a tattoo of a sun on his upper right arm and a scar under the tattoo. Miguel Sanchez may go by the last name of Sanchez Carmona or Carmona Sanchez. Veronica was 9-months-old when she disappeared. The larger image shows what she may look like at the age of 4. If you have information about her disappearance, call 1-800-843-5678 (1-800-THE-LOST). Family photo/National Center for Missing and Exploited Children

Jessica Ann Kinsey went missing from Union, Mo. Dec. 26, 1995. At the time of her disappearance, the 14-year-old stood 5'5" tall, weighed 160 pounds, and had brown hair and hazel eyes. Authorities say she may have been with an adult male companion. She has a small scar on the inside of her left forearm near her elbow, and may have a tattoo on her neck of the word "Capone." She was last seen in Cloverdale, Ind. Family photo

This image shows what Jessica Ann Kinsey may have looked like at the age of 30. She would now be 32. If you have information about her disappearance, call 1-800-843-5678 (1-800-THE-LOST). National Center for Missing and Exploited Children

Kelly Allen disappeared March 13, 2007 from Berkeley, Mo. at the age of 20. She stands 5'4" tall, has brown hair and hazel eyes. At the time of her disappearance she weighed around 165 pounds. She has a tattoo of brown eyes and a flower on her left shoulder, and a tattoo of a half moon behind her left ear. Family photo

This image shows what Kelly Allen may have looked like at the age of 25. She would now be 26. If you have information about her disappearance, call 1-800-843-5678 (1-800-THE-LOST). Family photo

Shemika Keyanta Cosey is considered an endangered runaway. She was last seen Dec. 30, 2008 in Berkeley, Mo. at the age of 16. She is believed to still be in the area. At the time of her disappearance she stood 5'5" tall, weighed 160 pounds, and had black hair and brown eyes. Her ears are pierced and she may go by the name "Mika." Family photo

This image shows what Shemika Keyanta Cosey may have looked like at the age of 19. She would now be 21. If you have information about her disappearance, call 1-800-843-5678 (1-800-THE-LOST). National Center for Missing and Exploited Children

Raymond Lee Dampier was last seen Nov. 22, 2012 in Ferguson Mo. He would be 18-years-old now, stands 5'7" tall, weighs 130 pounds, and has black hair and brown eyes. He had a scar on his forehead. He may have traveled to California. If you have information about his disappearance, call 1-800-843-5678 (1-800-THE-LOST). Family photo

Samantha Edna Eberhardt is considered an endangered runaway. The 15-year-old was last seen April 21, 2013. This is the only photo available of her. She stands 5'5" tall, weighs 120 pounds, and has blonde hair and blue eyes. Her nose is pierced and may go by the name "Sam." If you have information about her disappearance, call 1-800-843-5678 (1-800-THE-LOST). Family photo

Jasmyne Marie Elizabeth Johnson-Allen is considered an endangered runaway. She was last seen Oct. 5, 2013 in East St. Louis, Ill. The 16-year-old may have traveled to Alton, Ill. and may be in need of medical attention. If you have information about her disappearance, call 1-800-843-5678 (1-800-THE-LOST). Family photo

Austin Jones was last seen Oct. 9, 2013 in East St. Louis. The 16-year-old stands 5'7" tall, weighs 150 pounds, and has brown hair and blue eyes. Authorities say he may be with a male companion, traveling to Centralia or Wamac, Ill. If you have information about his disappearance, call 1-800-843-5678 (1-800-THE-LOST). Family photo

Lashresta Bourrage was last seen Sept. 22, 2013 in Belleville, Ill. The 16-year-old stands 5'0" tall, weighs 140 pounds, and has brown hair and brown eyes. She may have traveled to Washington Park or East St. Louis, Ill. She has a tattoo on one of her hands. If you have information about her disappearance, call 1-800-843-5678 (1-800-THE-LOST). Family photo

Timothy Johnson is considered an endangered runaway and was last seen July 25, 2010. The 15-year-old stood 5'6" tall, weighed 140 pounds, and had black hair and brown eyes when he disappeared. His left ear is pierced, and he may still be in the area. If you have information about his disappearance, call 1-800-843-5678 (1-800-THE-LOST). Family photo